PostNet Westmont36 North Cass Ave Westmont, IL 60559 USMain Number(331) 214-8740(331) 214-8740Get DirectionsCenter InformationDay of the WeekHoursMon9:00 AM - 6:00 PMTue9:00 AM - 6:00 PMWed9:00 AM - 6:00 PMThu9:00 AM - 6:00 PMFri9:00 AM - 6:00 PMSat10:00 AM - 3:00 PMSunClosed